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Unified Diff: tests/ProxyRefTest.cpp

Issue 2502923003: Add IORef capability to GrSurfaceProxy objects - take 2 (Closed)
Patch Set: Fixed bug in transferRefs Created 4 years, 1 month ago
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Index: tests/ProxyRefTest.cpp
diff --git a/tests/ProxyRefTest.cpp b/tests/ProxyRefTest.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..4f6a3e368c201a16c86737ca437ac499d10d3e1c
--- /dev/null
+++ b/tests/ProxyRefTest.cpp
@@ -0,0 +1,205 @@
+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+// This is a GPU-backend specific test.
+
+#include "Test.h"
+
+#if SK_SUPPORT_GPU
+#include "GrSurfaceProxy.h"
+#include "GrTextureProxy.h"
+#include "GrRenderTargetPriv.h"
+#include "GrRenderTargetProxy.h"
+
+static const int kWidthHeight = 128;
+
+int32_t GrIORefProxy::getProxyRefCnt_TestOnly() const {
+ return fRefCnt;
+}
+
+int32_t GrIORefProxy::getBackingRefCnt_TestOnly() const {
+ if (fTarget) {
+ return fTarget->fRefCnt;
+ }
+
+ return fRefCnt;
+}
+
+int32_t GrIORefProxy::getPendingReadCnt_TestOnly() const {
+ if (fTarget) {
+ SkASSERT(!fPendingReads);
+ return fTarget->fPendingReads;
+ }
+
+ return fPendingReads;
+}
+
+int32_t GrIORefProxy::getPendingWriteCnt_TestOnly() const {
+ if (fTarget) {
+ SkASSERT(!fPendingWrites);
+ return fTarget->fPendingWrites;
+ }
+
+ return fPendingWrites;
+}
+
+static void check_refs(skiatest::Reporter* reporter,
+ GrSurfaceProxy* proxy,
+ int32_t expectedProxyRefs,
+ int32_t expectedBackingRefs,
+ int32_t expectedNumReads,
+ int32_t expectedNumWrites) {
+ REPORTER_ASSERT(reporter, proxy->getProxyRefCnt_TestOnly() == expectedProxyRefs);
+ REPORTER_ASSERT(reporter, proxy->getBackingRefCnt_TestOnly() == expectedBackingRefs);
+ REPORTER_ASSERT(reporter, proxy->getPendingReadCnt_TestOnly() == expectedNumReads);
+ REPORTER_ASSERT(reporter, proxy->getPendingWriteCnt_TestOnly() == expectedNumWrites);
+
+ SkASSERT(proxy->getProxyRefCnt_TestOnly() == expectedProxyRefs);
+ SkASSERT(proxy->getBackingRefCnt_TestOnly() == expectedBackingRefs);
+ SkASSERT(proxy->getPendingReadCnt_TestOnly() == expectedNumReads);
+ SkASSERT(proxy->getPendingWriteCnt_TestOnly() == expectedNumWrites);
+}
+
+static sk_sp<GrSurfaceProxy> make_deferred(const GrCaps& caps, GrTextureProvider* provider) {
+ GrSurfaceDesc desc;
+ desc.fFlags = kRenderTarget_GrSurfaceFlag;
+ desc.fWidth = kWidthHeight;
+ desc.fHeight = kWidthHeight;
+ desc.fConfig = kRGBA_8888_GrPixelConfig;
+
+ return GrSurfaceProxy::MakeDeferred(caps, desc, SkBackingFit::kApprox, SkBudgeted::kYes);
+}
+
+static sk_sp<GrSurfaceProxy> make_wrapped(const GrCaps& caps, GrTextureProvider* provider) {
+ GrSurfaceDesc desc;
+ desc.fFlags = kRenderTarget_GrSurfaceFlag;
+ desc.fWidth = kWidthHeight;
+ desc.fHeight = kWidthHeight;
+ desc.fConfig = kRGBA_8888_GrPixelConfig;
+
+ sk_sp<GrTexture> tex(provider->createTexture(desc, SkBudgeted::kNo));
+
+ // Flush the IOWrite from the initial discard or it will confuse the later ref count checks
+ tex->flushWrites();
+
+ return GrSurfaceProxy::MakeWrapped(std::move(tex));
+}
+
+DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ProxyRefTest, reporter, ctxInfo) {
+ GrTextureProvider* provider = ctxInfo.grContext()->textureProvider();
+ const GrCaps& caps = *ctxInfo.grContext()->caps();
+
+ for (auto make : { make_deferred, make_wrapped }) {
+ // A single write
+ {
+ sk_sp<GrSurfaceProxy> sProxy((*make)(caps, provider));
+
+ GrPendingIOResource<GrSurfaceProxy, kWrite_GrIOType> fWrite(sProxy.get());
+
+ check_refs(reporter, sProxy.get(), 1, 1, 0, 1);
+
+ // In the deferred case, the discard batch created on instantiation adds an
+ // extra ref and write
+ bool proxyGetsDiscardRef = !sProxy->isWrapped_ForTesting() &&
+ caps.discardRenderTargetSupport();
+ int expectedWrites = proxyGetsDiscardRef ? 2 : 1;
+
+ sProxy->instantiate(provider);
+
+ // In the deferred case, this checks that the refs transfered to the GrSurface
+ check_refs(reporter, sProxy.get(), 1, 1, 0, expectedWrites);
+ }
+
+ // A single read
+ {
+ sk_sp<GrSurfaceProxy> sProxy((*make)(caps, provider));
+
+ GrPendingIOResource<GrSurfaceProxy, kRead_GrIOType> fRead(sProxy.get());
+
+ check_refs(reporter, sProxy.get(), 1, 1, 1, 0);
+
+ // In the deferred case, the discard batch created on instantiation adds an
+ // extra ref and write
+ bool proxyGetsDiscardRef = !sProxy->isWrapped_ForTesting() &&
+ caps.discardRenderTargetSupport();
+ int expectedWrites = proxyGetsDiscardRef ? 1 : 0;
+
+ sProxy->instantiate(provider);
+
+ // In the deferred case, this checks that the refs transfered to the GrSurface
+ check_refs(reporter, sProxy.get(), 1, 1, 1, expectedWrites);
+ }
+
+ // A single read/write pair
+ {
+ sk_sp<GrSurfaceProxy> sProxy((*make)(caps, provider));
+
+ GrPendingIOResource<GrSurfaceProxy, kRW_GrIOType> fRW(sProxy.get());
+
+ check_refs(reporter, sProxy.get(), 1, 1, 1, 1);
+
+ // In the deferred case, the discard batch created on instantiation adds an
+ // extra ref and write
+ bool proxyGetsDiscardRef = !sProxy->isWrapped_ForTesting() &&
+ caps.discardRenderTargetSupport();
+ int expectedWrites = proxyGetsDiscardRef ? 2 : 1;
+
+ sProxy->instantiate(provider);
+
+ // In the deferred case, this checks that the refs transfered to the GrSurface
+ check_refs(reporter, sProxy.get(), 1, 1, 1, expectedWrites);
+ }
+
+ // Multiple normal refs
+ {
+ sk_sp<GrSurfaceProxy> sProxy((*make)(caps, provider));
+ sProxy->ref();
+ sProxy->ref();
+
+ check_refs(reporter, sProxy.get(), 3, 3, 0, 0);
+
+ bool proxyGetsDiscardRef = !sProxy->isWrapped_ForTesting() &&
+ caps.discardRenderTargetSupport();
+ int expectedWrites = proxyGetsDiscardRef ? 1 : 0;
+
+ sProxy->instantiate(provider);
+
+ // In the deferred case, this checks that the refs transfered to the GrSurface
+ check_refs(reporter, sProxy.get(), 3, 3, 0, expectedWrites);
+
+ sProxy->unref();
+ sProxy->unref();
+ }
+
+ // Continue using (reffing) proxy after instantiation
+ {
+ sk_sp<GrSurfaceProxy> sProxy((*make)(caps, provider));
+ sProxy->ref();
+
+ GrPendingIOResource<GrSurfaceProxy, kWrite_GrIOType> fWrite(sProxy.get());
+
+ check_refs(reporter, sProxy.get(), 2, 2, 0, 1);
+
+ bool proxyGetsDiscardRef = !sProxy->isWrapped_ForTesting() &&
+ caps.discardRenderTargetSupport();
+ int expectedWrites = proxyGetsDiscardRef ? 2 : 1;
+
+ sProxy->instantiate(provider);
+
+ // In the deferred case, this checks that the refs transfered to the GrSurface
+ check_refs(reporter, sProxy.get(), 2, 2, 0, expectedWrites);
+
+ sProxy->unref();
+ check_refs(reporter, sProxy.get(), 1, 1, 0, expectedWrites);
+
+ GrPendingIOResource<GrSurfaceProxy, kRead_GrIOType> fRead(sProxy.get());
+ check_refs(reporter, sProxy.get(), 1, 1, 1, expectedWrites);
+ }
+ }
+}
+
+#endif
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